California earthquakes

M1.9 earthquake 3 km E of Berkeley, California

A magnitude 1.9 earthquake struck 3 km E of Berkeley, California on Sun, Aug 30, 1987, 8:50 AM PDT (15:50 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.4 12 km N of Livermore, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1987-08-30 15:50:32 UTC
Depth
11.2 km (7.0 mi), shallow
Epicenter
37.871° N, 122.234° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.8 km horizontally, 2.2 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
170°
Stations used
5

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 63 in the 60 days after this one and 39 in the 30 days before it.

After

  1. 1.513 km ESE of Alum Rock, California · 14273 days ago · 2 km deep · 78 km away
  2. 2.117 km NE of East Foothills, California · 14273 days ago · 7 km deep · 63 km away
  3. 2.06 km NNE of Penngrove, California · 14272 days ago · 4 km deep · 63 km away
  4. 1.83 km SE of Piedmont, California · 14271 days ago · 10 km deep · 8 km away
  5. 2.618 km NE of East Foothills, California · 14271 days ago · 5 km deep · 64 km away
  6. 1.815 km E of Seven Trees, California · 14269 days ago · 3 km deep · 82 km away
  7. 2.78 km ESE of East Foothills, California · 14269 days ago · 8 km deep · 72 km away
  8. 1.517 km NE of East Foothills, California · 14269 days ago · 7 km deep · 63 km away
  9. 2.12 km W of Cambrian Park, California · 14263 days ago · 8 km deep · 72 km away
  10. 3.316 km E of Seven Trees, California · 14261 days ago · 6 km deep · 83 km away
  11. 2.312 km N of Morgan Hill, California · 14260 days ago · 3 km deep · 87 km away
  12. 1.83 km NE of Martinez, California · 14259 days ago · 5 km deep · 21 km away
  13. 2.315 km SSE of Livermore, California · 14258 days ago · 3 km deep · 59 km away
  14. 2.39 km SE of Sonoma, California · 14257 days ago · 7 km deep · 42 km away
  15. 2.39 km S of Muir Beach, California · 14254 days ago · 9 km deep · 32 km away
  16. 3.39 km S of Muir Beach, California · 14254 days ago · 10 km deep · 32 km away
  17. 3.03 km E of Berkeley, California · 14254 days ago · 11 km deep · 0 km away
  18. 2.03 km ESE of Berkeley, California · 14254 days ago · 10 km deep · 1 km away
  19. 2.27 km N of East Foothills, California · 14252 days ago · 7 km deep · 60 km away
  20. 1.88 km ENE of Morgan Hill, California · 14251 days ago · 2 km deep · 99 km away
  21. 1.919 km NE of East Foothills, California · 14251 days ago · 6 km deep · 62 km away
  22. 3.02 km SSW of Lexington Hills, California · 14247 days ago · 16 km deep · 84 km away
  23. 1.510 km ENE of Blackhawk, California · 14244 days ago · 10 km deep · 39 km away
  24. 2.018 km NE of East Foothills, California · 14244 days ago · 6 km deep · 63 km away
  25. 2.612 km NE of East Foothills, California · 14243 days ago · 7 km deep · 62 km away
  26. 1.712 km NE of East Foothills, California · 14243 days ago · 7 km deep · 62 km away
  27. 1.54 km SW of Kenwood, California · 14241 days ago · 2 km deep · 65 km away
  28. 2.02 km N of San Leandro, California · 14240 days ago · 5 km deep · 15 km away
  29. 1.715 km SE of Livermore, California · 14240 days ago · 4 km deep · 60 km away
  30. 1.613 km N of Morgan Hill, California · 14239 days ago · 5 km deep · 87 km away
  31. 1.78 km W of Brentwood, California · 14238 days ago · 19 km deep · 39 km away
  32. 1.7Northern California · 14238 days ago · 2 km deep · 65 km away
  33. 1.812 km ESE of East Foothills, California · 14237 days ago · 8 km deep · 78 km away
  34. 1.616 km E of Seven Trees, California · 14237 days ago · 6 km deep · 82 km away
  35. 1.71 km ENE of American Canyon, California · 14237 days ago · 9 km deep · 34 km away
  36. 1.611 km WNW of Calistoga, California · 14236 days ago · 7 km deep · 93 km away
  37. 1.613 km ENE of East Foothills, California · 14236 days ago · 7 km deep · 68 km away
  38. 2.213 km ENE of East Foothills, California · 14235 days ago · 5 km deep · 69 km away
  39. 1.511 km SSE of Livermore, California · 14235 days ago · 4 km deep · 56 km away
  40. 2.217 km NE of East Foothills, California · 14235 days ago · 7 km deep · 63 km away
  41. 3.03 km ESE of Berkeley, California · 14235 days ago · 7 km deep · 1 km away
  42. 2.416 km SSE of Livermore, California · 14235 days ago · 4 km deep · 61 km away
  43. 1.513 km WNW of Diablo Grande, California · 14233 days ago · 6 km deep · 86 km away
  44. 2.713 km ENE of East Foothills, California · 14233 days ago · 5 km deep · 69 km away
  45. 1.519 km SSE of Livermore, California · 14232 days ago · 6 km deep · 62 km away
  46. 2.813 km N of Morgan Hill, California · 14230 days ago · 4 km deep · 87 km away
  47. 2.112 km NE of East Foothills, California · 14229 days ago · 7 km deep · 62 km away
  48. 2.04 km SSE of Napa, California · 14229 days ago · 12 km deep · 44 km away
  49. 1.81 km WNW of Bethel Island, California · 14228 days ago · 0 km deep · 53 km away
  50. 1.715 km E of Seven Trees, California · 14226 days ago · 6 km deep · 82 km away
  51. 2.918 km SSE of Livermore, California · 14225 days ago · 7 km deep · 61 km away
  52. 4.412 km N of Livermore, California · 14221 days ago · 10 km deep · 44 km away
  53. 1.614 km E of Seven Trees, California · 14220 days ago · 2 km deep · 81 km away
  54. 2.018 km NE of East Foothills, California · 14220 days ago · 5 km deep · 64 km away
  55. 2.03 km NW of Santa Rosa, California · 14220 days ago · 7 km deep · 80 km away
  56. 1.80 km E of Ashland, California · 14218 days ago · 4 km deep · 23 km away
  57. 1.513 km ESE of Hidden Valley Lake, California · 14217 days ago · 3 km deep · 99 km away
  58. 2.312 km ESE of Hidden Valley Lake, California · 14217 days ago · 6 km deep · 100 km away
  59. 2.412 km ESE of Hidden Valley Lake, California · 14217 days ago · 6 km deep · 100 km away
  60. 1.66 km N of East Foothills, California · 14216 days ago · 1 km deep · 61 km away

The first 60 of 63.

Before

  1. 1.82 km E of Berkeley, California · 14274 days ago · 10 km deep · 1 km away
  2. 2.63 km E of Berkeley, California · 14274 days ago · 11 km deep · 0 km away
  3. 2.53 km E of Berkeley, California · 14274 days ago · 10 km deep · 0 km away
  4. 1.513 km N of Morgan Hill, California · 14274 days ago · 5 km deep · 87 km away
  5. 1.512 km ENE of East Foothills, California · 14274 days ago · 8 km deep · 68 km away
  6. 2.510 km ENE of East Foothills, California · 14276 days ago · 8 km deep · 68 km away
  7. 2.511 km N of Pittsburg, California · 14276 days ago · 12 km deep · 42 km away
  8. 2.72 km ESE of East Richmond Heights, California · 14276 days ago · 8 km deep · 8 km away
  9. 3.42 km ESE of East Richmond Heights, California · 14276 days ago · 8 km deep · 9 km away
  10. 1.92 km W of Taft Mosswood, California · 14276 days ago · 4 km deep · 82 km away
  11. 1.79 km SW of Brentwood, California · 14279 days ago · 18 km deep · 42 km away
  12. 2.817 km SSE of Livermore, California · 14281 days ago · 1 km deep · 62 km away
  13. 1.64 km E of Sunol, California · 14281 days ago · 7 km deep · 47 km away
  14. 1.917 km NE of East Foothills, California · 14282 days ago · 6 km deep · 63 km away
  15. 1.915 km N of Morgan Hill, California · 14283 days ago · 4 km deep · 84 km away
  16. 3.13 km NE of San Leandro, California · 14283 days ago · 8 km deep · 17 km away
  17. 2.118 km NE of East Foothills, California · 14283 days ago · 6 km deep · 63 km away
  18. 2.410 km S of Muir Beach, California · 14286 days ago · 8 km deep · 31 km away
  19. 1.91 km W of Green Valley, California · 14287 days ago · 10 km deep · 43 km away
  20. 2.612 km ESE of East Foothills, California · 14290 days ago · 7 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10085010. Read Mon, Sep 28, 2026, 8:46 AM UTC.